L-Hydroxyproline, [51-35-4]

[51-35-4]

L-Hydroxyproline

trans-4-Hydroxy-L-proline
(2S,4R)-4-Hydroxypyrrolidine-2-carboxylic acid
H-Hyp-OH

Image unavailable

FW 131.13

C₅H₉NO₃

mp 274–275; [α]-75.6? (c=1, H₂O)
Storage: RT; R: none; S: 24/25
No label warnings
RTECS #: TW3586500; TSCA listed
UN unregulated; DOT unregulated
MDL #: MFCD00064320; BRN: 81441
Beil. 22,V,5,7; Merck Index 13,4866

A constituent of collagen; Anal. Biochem. 1975, 63, 331. For uses see: Tetrahedron Lett. 1994, 35, 6163; Tetrahedron 1993, 49, 6195; Syn. Comm. 1993, 23, 2691; Heterocycles 1992, 34(4), 679-684.

Cat. # Product Qty. US $

59023

L-Hydroxyproline, ≥99%, ≥99% e.e.

Appearance	White crystal or cystalline powder
Solubility	Clear colorless solution at 50mg/mL
IR Spectrum	Consistent with structure
Elemental Analysis	Consistent with structure
Purity (TLC, ninhydrin)	≥99%
Purity (HPLC, Cu²⁺, UV)	≥99%
Enantiomeric excess (HPLC)	≥99%
cis-Hydroxyprolines	≤0.5%

10g
50g
250g

20.00
68.00
230.00

58676

L-Hydroxyproline, AJI92
Available in production quantities.

Appearance	White crystal or crystalline powder
Identification	Meet the requirement
Specific Rotation	−74 – −77°
pH	5.0 – 6.5
State of Solution	≥95.0%
Chloride	≤0.020%
Sulfate	≤0.020%
Ammonium	≤0.020%
Heavy Metals	≤10 ppm
Iron	≤10 ppm
Arsenic	≤10 ppm
Other amino acids	Meet the requirements
Loss on Drying	≤0.20%
Residue on Ignition	≤0.10%
Assay(Titration)	98.5 – 101.0%
This material has been tested and conforms to the requirements of AJI92 but has not necessarily been analyzed, stored, or packaged according to GMP standards. It may be possible to obtain GMP material by special request.

50g
250g
1kg

42.00
145.00
410.00